bayesplot
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stan-dev
bayesplot R package for plotting Bayesian models
`brms::pp_check(type = "error_scatter_avg_vs_x")`, which calls `bayesplot::ppc_error_scatter_avg_vs_x`, has residuals that vary wildly from one run to the next when the noise distribution (`family`) is a Student $t$ distribution with small `nu`...
Figured I'd just start with this. Anyone feel free to use this as part of a larger PR doing this for all the relevant functions. Hope I got the testing...
This is again relevant to https://discourse.mc-stan.org/t/rank-plots-dont-save-you-from-symmetric-non-stationary-chains/37624/4 I suppose this would be relevant for all rank-based plots? Using this to make my own version of split chains makes the problems super...